JSActionAnalog.m

   1 //
   2 //  JSActionAnalog.m
   3 //  Enjoy
   4 //
   5 //  Created by Sam McCall on 5/05/09.
   6 //
   7
   8 @implementation JSActionAnalog
   9
  10 - (id) initWithIndex: (int)newIndex {
  11         if(self = [super init]) {
  12         subActions = [NSArray arrayWithObjects:
  13                 [[SubAction alloc] initWithIndex: 0 name: @"Low" base: self],
  14                 [[SubAction alloc] initWithIndex: 1 name: @"High" base: self],
  15         [[SubAction alloc] initWithIndex: 2 name: @"Analog" base: self],
  16                 nil
  17         ];
  18                 [subActions retain];
  19         index = newIndex;
  20         name = [[NSString alloc] initWithFormat: @"Axis %d", (index+1)];
  21    }
  22         return self;
  23 }
  24
  25 -(id) findSubActionForValue: (IOHIDValueRef) value {
  26     if ([[subActions objectAtIndex: 2] active]) {
  27         return [subActions objectAtIndex: 2]; // TODO?
  28     }
  29
  30     //Target* target = [[base->configsController currentConfig] getTargetForAction: [subActions objectAtIndex: 0]];
  31
  32         int raw = IOHIDValueGetIntegerValue(value);
  33         double parsed = offset + scale * raw;
  34
  35         if(parsed < -0.3) // fixed?!
  36                 return [subActions objectAtIndex: 0];
  37         else if(parsed > 0.3)
  38                 return [subActions objectAtIndex: 1];
  39         return NULL;
  40 }
  41
  42 -(void) notifyEvent: (IOHIDValueRef) value {
  43     // Analog action is always active
  44     [[subActions objectAtIndex: 2] setActive: true];
  45
  46         int raw = IOHIDValueGetIntegerValue(value);
  47         double parsed = offset + scale * raw;
  48
  49         [[subActions objectAtIndex: 0] setActive: (parsed < -0.3)];
  50         [[subActions objectAtIndex: 1] setActive: (parsed > 0.3)];
  51 }
  52
  53 @synthesize offset, scale;
  54
  55
  56 @end